# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from synapse.api.errors import StoreError
from ._base import SQLBaseStore
from .engines import PostgresEngine, Sqlite3Engine
import collections
import logging
import ujson as json
logger = logging.getLogger(__name__)
OpsLevel = collections.namedtuple(
"OpsLevel",
("ban_level", "kick_level", "redact_level",)
)
class RoomStore(SQLBaseStore):
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
"""Stores a room.
Args:
room_id (str): The desired room ID, can be None.
room_creator_user_id (str): The user ID of the room creator.
is_public (bool): True to indicate that this room should appear in
public room lists.
Raises:
StoreError if the room could not be stored.
"""
try:
def store_room_txn(txn, next_id):
self._simple_insert_txn(
txn,
"rooms",
{
"room_id": room_id,
"creator": room_creator_user_id,
"is_public": is_public,
},
)
if is_public:
self._simple_insert_txn(
txn,
table="public_room_list_stream",
values={
"stream_id": next_id,
"room_id": room_id,
"visibility": is_public,
}
)
with self._public_room_id_gen.get_next() as next_id:
yield self.runInteraction(
"store_room_txn",
store_room_txn, next_id,
)
except Exception as e:
logger.error("store_room with room_id=%s failed: %s", room_id, e)
raise StoreError(500, "Problem creating room.")
def get_room(self, room_id):
"""Retrieve a room.
Args:
room_id (str): The ID of the room to retrieve.
Returns:
A namedtuple containing the room information, or an empty list.
"""
return self._simple_select_one(
table="rooms",
keyvalues={"room_id": room_id},
retcols=("room_id", "is_public", "creator"),
desc="get_room",
allow_none=True,
)
@defer.inlineCallbacks
def set_room_is_public(self, room_id, is_public):
def set_room_is_public_txn(txn, next_id):
self._simple_update_one_txn(
txn,
table="rooms",
keyvalues={"room_id": room_id},
updatevalues={"is_public": is_public},
)
entries = self._simple_select_list_txn(
txn,
table="public_room_list_stream",
keyvalues={"room_id": room_id},
retcols=("stream_id", "visibility"),
)
entries.sort(key=lambda r: r["stream_id"])
add_to_stream = True
if entries:
add_to_stream = bool(entries[-1]["visibility"]) != is_public
if add_to_stream:
self._simple_insert_txn(
txn,
table="public_room_list_stream",
values={
"stream_id": next_id,
"room_id": room_id,
"visibility": is_public,
}
)
with self._public_room_id_gen.get_next() as next_id:
yield self.runInteraction(
"set_room_is_public",
set_room_is_public_txn, next_id,
)
def get_public_room_ids(self):
return self._simple_select_onecol(
table="rooms",
keyvalues={
"is_public": True,
},
retcol="room_id",
desc="get_public_room_ids",
)
def get_room_count(self):
"""Retrieve a list of all rooms
"""
def f(txn):
sql = "SELECT count(*) FROM rooms"
txn.execute(sql)
row = txn.fetchone()
return row[0] or 0
return self.runInteraction(
"get_rooms", f
)
def _store_room_topic_txn(self, txn, event):
if hasattr(event, "content") and "topic" in event.content:
self._simple_insert_txn(
txn,
"topics",
{
"event_id": event.event_id,
"room_id": event.room_id,
"topic": event.content["topic"],
},
)
self._store_event_search_txn(
txn, event, "content.topic", event.content["topic"]
)
def _store_room_name_txn(self, txn, event):
if hasattr(event, "content") and "name" in event.content:
self._simple_insert_txn(
txn,
"room_names",
{
"event_id": event.event_id,
"room_id": event.room_id,
"name": event.content["name"],
}
)
self._store_event_search_txn(
txn, event, "content.name", event.content["name"]
)
def _store_room_message_txn(self, txn, event):
if hasattr(event, "content") and "body" in event.content:
self._store_event_search_txn(
txn, event, "content.body", event.content["body"]
)
def _store_history_visibility_txn(self, txn, event):
self._store_content_index_txn(txn, event, "history_visibility")
def _store_guest_access_txn(self, txn, event):
self._store_content_index_txn(txn, event, "guest_access")
def _store_content_index_txn(self, txn, event, key):
if hasattr(event, "content") and key in event.content:
sql = (
"INSERT INTO %(key)s"
" (event_id, room_id, %(key)s)"
" VALUES (?, ?, ?)" % {"key": key}
)
txn.execute(sql, (
event.event_id,
event.room_id,
event.content[key]
))
def _store_event_search_txn(self, txn, event, key, value):
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
txn.execute(
sql,
(
event.event_id, event.room_id, key, value,
event.internal_metadata.stream_ordering,
event.origin_server_ts,
)
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
txn.execute(sql, (event.event_id, event.room_id, key, value,))
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
def add_event_report(self, room_id, event_id, user_id, reason, content,
received_ts):
next_id = self._event_reports_id_gen.get_next()
return self._simple_insert(
table="event_reports",
values={
"id": next_id,
"received_ts": received_ts,
"room_id": room_id,
"event_id": event_id,
"user_id": user_id,
"reason": reason,
"content": json.dumps(content),
},
desc="add_event_report"
)
def get_current_public_room_stream_id(self):
return self._public_room_id_gen.get_current_token()
def get_public_room_ids_at_stream_id(self, stream_id):
return self.runInteraction(
"get_public_room_ids_at_stream_id",
self.get_public_room_ids_at_stream_id_txn, stream_id
)
def get_public_room_ids_at_stream_id_txn(self, txn, stream_id):
return {
rm
for rm, vis in self.get_published_at_stream_id_txn(txn, stream_id).items()
if vis
}
def get_published_at_stream_id_txn(self, txn, stream_id):
sql = ("""
SELECT room_id, visibility FROM public_room_list_stream
INNER JOIN (
SELECT room_id, max(stream_id) AS stream_id
FROM public_room_list_stream
WHERE stream_id <= ?
GROUP BY room_id
) grouped USING (room_id, stream_id)
""")
txn.execute(sql, (stream_id,))
return dict(txn.fetchall())
def get_public_room_changes(self, prev_stream_id, new_stream_id):
def get_public_room_changes_txn(txn):
then_rooms = self.get_public_room_ids_at_stream_id_txn(txn, prev_stream_id)
now_rooms_dict = self.get_published_at_stream_id_txn(txn, new_stream_id)
now_rooms_visible = set(
rm for rm, vis in now_rooms_dict.items() if vis
)
now_rooms_not_visible = set(
rm for rm, vis in now_rooms_dict.items() if not vis
)
newly_visible = now_rooms_visible - then_rooms
newly_unpublished = now_rooms_not_visible & then_rooms
return newly_visible, newly_unpublished
return self.runInteraction(
"get_public_room_changes", get_public_room_changes_txn
)
def get_all_new_public_rooms(self, prev_id, current_id, limit):
def get_all_new_public_rooms(txn):
sql = ("""
SELECT stream_id, room_id, visibility FROM public_room_list_stream
WHERE stream_id > ? AND stream_id <= ?
ORDER BY stream_id ASC
LIMIT ?
""")
txn.execute(sql, (prev_id, current_id, limit,))
return txn.fetchall()
if prev_id == current_id:
return defer.succeed([])
return self.runInteraction(
"get_all_new_public_rooms", get_all_new_public_rooms
)